X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosIMU.java;h=b434e02e415d6f77f912d9571b6f2aaaf03461b7;hp=6d88ccae9a45f6a45926444528db9debc04993b4;hb=32de85691f2e4ed1430a259e05a514ad820b32d9;hpb=e26306c9350ef1d107d4257ef1c09d15165c9154 diff --git a/altoslib/AltosIMU.java b/altoslib/AltosIMU.java index 6d88ccae..b434e02e 100644 --- a/altoslib/AltosIMU.java +++ b/altoslib/AltosIMU.java @@ -3,7 +3,8 @@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -15,18 +16,33 @@ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -package org.altusmetrum.altoslib_2; +package org.altusmetrum.altoslib_11; import java.util.concurrent.*; +import java.io.*; public class AltosIMU implements Cloneable { - public int accel_x; - public int accel_y; - public int accel_z; + public int accel_along; + public int accel_across; + public int accel_through; - public int gyro_x; - public int gyro_y; - public int gyro_z; + public int gyro_roll; + public int gyro_pitch; + public int gyro_yaw; + + public static final double counts_per_g = 2048.0; + + public static double convert_accel(double counts) { + return counts / counts_per_g * AltosConvert.gravity; + } + + /* In radians */ + public static final double GYRO_FULLSCALE_DEGREES = 2000.0; + public static final double GYRO_COUNTS = 32767.0; + + public static double gyro_degrees_per_second(double counts, double cal) { + return (counts - cal) * GYRO_FULLSCALE_DEGREES / GYRO_COUNTS; + } public boolean parse_string(String line) { if (!line.startsWith("Accel:")) @@ -35,12 +51,12 @@ public class AltosIMU implements Cloneable { String[] items = line.split("\\s+"); if (items.length >= 8) { - accel_x = Integer.parseInt(items[1]); - accel_y = Integer.parseInt(items[2]); - accel_z = Integer.parseInt(items[3]); - gyro_x = Integer.parseInt(items[5]); - gyro_y = Integer.parseInt(items[6]); - gyro_z = Integer.parseInt(items[7]); + accel_along = Integer.parseInt(items[1]); + accel_across = Integer.parseInt(items[2]); + accel_through = Integer.parseInt(items[3]); + gyro_roll = Integer.parseInt(items[5]); + gyro_pitch = Integer.parseInt(items[6]); + gyro_yaw = Integer.parseInt(items[7]); } return true; } @@ -48,34 +64,52 @@ public class AltosIMU implements Cloneable { public AltosIMU clone() { AltosIMU n = new AltosIMU(); - n.accel_x = accel_x; - n.accel_y = accel_y; - n.accel_z = accel_z; + n.accel_along = accel_along; + n.accel_across = accel_across; + n.accel_through = accel_through; - n.gyro_x = gyro_x; - n.gyro_y = gyro_y; - n.gyro_z = gyro_z; + n.gyro_roll = gyro_roll; + n.gyro_pitch = gyro_pitch; + n.gyro_yaw = gyro_yaw; return n; } - static public void update_state(AltosState state, AltosLink link, AltosConfigData config_data) throws InterruptedException { + static public void provide_data(AltosDataListener listener, AltosLink link, AltosCalData cal_data) throws InterruptedException { try { AltosIMU imu = new AltosIMU(link); - if (imu != null) - state.set_imu(imu); + if (imu != null) { + listener.set_accel(cal_data.accel_along(imu.accel_along), + cal_data.accel_across(imu.accel_across), + cal_data.accel_through(imu.accel_through)); + listener.set_gyro(cal_data.gyro_roll(imu.gyro_roll), + cal_data.gyro_pitch(imu.gyro_pitch), + cal_data.gyro_yaw(imu.gyro_yaw)); + } } catch (TimeoutException te) { } } public AltosIMU() { - accel_x = AltosLib.MISSING; - accel_y = AltosLib.MISSING; - accel_z = AltosLib.MISSING; + accel_along = AltosLib.MISSING; + accel_across = AltosLib.MISSING; + accel_through = AltosLib.MISSING; + + gyro_roll = AltosLib.MISSING; + gyro_pitch = AltosLib.MISSING; + gyro_yaw = AltosLib.MISSING; + } + + public AltosIMU(int accel_along, int accel_across, int accel_through, + int gyro_roll, int gyro_pitch, int gyro_yaw) { + + this.accel_along = accel_along; + this.accel_across = accel_across; + this.accel_through = accel_through; - gyro_x = AltosLib.MISSING; - gyro_y = AltosLib.MISSING; - gyro_z = AltosLib.MISSING; + this.gyro_roll = gyro_roll; + this.gyro_pitch = gyro_pitch; + this.gyro_yaw = gyro_yaw; } public AltosIMU(AltosLink link) throws InterruptedException, TimeoutException {